National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fog/Mist

49°F

9°C

Humidity 97%
Wind Speed SW 5 mph
Barometer 29.74 in (1006.5 mb)
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Wind Chill47°F (8°C)
Last update 21 Mar 3:53 am EDT
Extended Forecast for

Ewing NJ

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 60. North wind 5 to 15 mph.

    High: 60 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. East wind around 5 mph becoming south after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 72. Southwest wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 44. North wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Showers

  • Monday

    Monday: Showers, mainly before 8am. High near 52. North wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 60. North wind 5 to 15 mph.
Tonight
Mostly cloudy, with a low around 42. East wind around 5 mph becoming south after midnight.
Sunday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 72. Southwest wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 44. North wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers, mainly before 8am. High near 52. North wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Mostly cloudy, with a high near 57.
Thursday Night
Rain likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Friday
Rain likely. Partly sunny, with a high near 53. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ewing NJ
 40.25°N 74.78°W (Elev. 105 ft)
Last Update:
4:09 am EDT Mar 21, 2026
Forecast Valid:
4am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation